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Protactinium

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Cadmium

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Protactinium

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Cadmium

Physical Properties of Protactinium and Cadmium

Protactinium Electron Configuration

Protactinium

Cadmium Metal

Cadmium

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1 Physical

1.1 Melting Point

1,568.00 °C320.90 °C

27 3410

1.2 Boiling Point

4,027.00 °C765.00 °C

147 5660

1.3 Appearance

1.3.1 Physical State

Solid

Solid

1.3.2 Color

Silver

Silvery Bluish-Gray

1.3.3 Luster

Metallic

Metallic

1.4 Hardness

1.4.1 Mohs Hardness

NA2.00

0.2 8.5

1.4.2 Brinell Hardness

NA203.00 MPa

0.14 3490

1.4.3 Vickers Hardness

NANA

121 3430

1.5 Speed of Sound

NA2,310.00 m/s

818 16200

1.6 Optical Properties

1.6.1 Refractive Index

NANA

1.000933 1.7229

1.6.2 Reflectivity

NA67.00 %

58 97

1.7 Allotropes

✔ ✘

✔ ✘

1.7.1 α Allotropes

Not Available

Not Available

1.7.2 β Allotropes

Not Available

Not Available

1.7.3 γ Allotropes

Not Available

Not Available

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